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The Encyclopedia of Horology

Wristwatch · Perpetual calendar chronograph wristwatch

Patek Philippe Perpetual Calendar Chronograph Reference 5270/1R-001

Partially verified

This Patek Philippe perpetual calendar chronograph, reference 5270/1R-001, is a wristwatch introduced in 2018. It features an 18-karat pink gold case with flared lugs and a matching integrated 18-karat pink gold metal bracelet. The timepiece is distinguished as the only reference within the 5270 series to be equipped with this style of metal bracelet. It utilizes a black "Noir Ebene" dial displaying perpetual calendar information, including day and month windows, a date sub-dial, and moon phase indications, alongside chronograph registers and baton indices. The watch is powered by the manual-wind CH 29-535 PS Q caliber, an in-house movement composed of 456 parts and 33 jewels.

Front view of the Patek Philippe 5270/1R-001 on the wrist.
Front view of the Patek Philippe 5270/1R-001 on the wrist. — Zamanito. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
zamanito.com
Category
Wristwatch · Perpetual calendar chronograph wristwatch
Maker / attribution
Patek Philippe
Reference
5270/1R-001
Catalogue / lot identifier
Source URL identifies the listing
Source-reported date
2018
Source-reported place
Switzerland

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Dial

The watch features a case crafted from 18-karat pink gold, characterized by its flat design and distinct sculptural, flared lugs. This case is paired with an integrated metal bracelet also manufactured from 18-karat pink gold, marking it as a unique configuration within the manufacturer's 5270 model series.

The dial is finished in a black hue, referred to as "Noir Ebene." It is configured to display a complex set of functions including a perpetual calendar, with day and month indicators in twin apertures, a pointer-style date display, and moon phase indications. Chronograph functionality is provided via dedicated sub-dials, with all hour markers depicted as applied baton indices.

Evidence for this section
  • “بدنه این ساعت طبق مشخصات ارائه شده از طلای رزگلد ۱۸ عیار ساخته شده و دارای طراحی قاب تخت با گوشواره‌های فرم‌یافته و برجسته”
  • “تنها رفرنس در خانواده ۵۲۷۰ است که با بند فلزی ساخته شده است.”
  • “صفحه ساعت به رنگ مشکی (Noir Ebene) طراحی شده”

Movement and Mechanics

The timepiece is driven by the caliber CH 29-535 PS Q, a manual-winding movement. This caliber is noted for being the first perpetual calendar chronograph movement developed and manufactured entirely in-house by the company. It comprises a total of 456 individual components and is set with 33 jewels.

The movement design incorporates a traditional column-wheel mechanism, which can be observed through the transparent sapphire case back.

Evidence for this section
  • “موتور ساعت کالیبر CH 29-535 PS Q با کوک دستی است که طبق منبع از ۴۵۶ قطعه تشکیل یافته و دارای ۳۳ سنگ قیمتی است.”
  • “این موتور اولین کالیبر کرنوگراف مجهز به تقویم دائمی در تاریخ Patek Philippe به شمار می‌رود که طراحی، ساخت و پرداخت نهایی آن به‌طور کامل در داخل خود این برند (In-house) به انجام رسیده”

Provenance and Authenticated Details

The reference 5270/1R-001 was introduced in 2018 as part of the broader 5270 series, representing a continuation of the brand's long-standing tradition of complex horological instruments. The provided details regarding its construction and specifications are based on data provided by the seller.

The source clarifies that there is no independent certification of the watch's status beyond the provided documentation. No specific service history or performance data regarding the current functional state of the piece is provided.

Evidence for this section
  • “طبق منبع، این مدل که در سال ۲۰۱۸ معرفی شد”
  • “اطلاعات و مشخصات فنی این کاتالوگ صرفاً بر پایه مندرجات اعلام‌شده از سوی فروشنده گردآوری شده و بیانگر تأیید مستقل یا کارشناسی اصالت از سوی زمانیتو نیست.”

Open research questions

  • What is the specific production range for this reference within the 5270 collection?
  • Are there variations in the finishing of the 5270/1R-001 bracelet links observed across different production batches?

Source evidence

Recorded claims and source quotations for Patek Philippe Perpetual Calendar Chronograph Reference 5270/1R-001
FieldSource-reported valueSource quotation
MakerPatek Philippe“Patek Philippe”
Reference5270/1R-001“5270/1R-001”
CaliberCH 29-535 PS Q“CH 29-535 PS Q”
Case Material18-karat pink gold“طلای رزگلد ۱۸ عیار”
Jewel count33“۳۳ سنگ قیمتی”
Part count456“۴۵۶ قطعه”
Dial colorBlack (Noir Ebene)“مشکی (Noir Ebene)”

Visible details

  • Integrated pink gold link bracelet with deployant clasp
  • Visible column-wheel mechanism on the movement
  • Day and month windows positioned at 12 o'clock
  • Moon phase display at the 6 o'clock position

Research qualifications

  • Performance history and service records are not documented
  • Independent verification of authenticity is not provided in the source

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

ساعت مچی Patek Philippe رفرنس 5270/1R-001 تقویم دائمی کرنوگراف

Reviewed 2026-11-02 · Record 116c4a4c76

Terms in this record

Glossary explanations for terms named in this object’s record.

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